// JavaScript Document
function SendPostRequest(url,para)
{
	var oReq;
	if (window.XMLHttpRequest)
	{// code for IE7+, Firefox, Chrome, Opera, Safari
		oReq=new XMLHttpRequest(); 
	}
	else
	{// code for IE6, IE5
		oReq=new ActiveXObject("Microsoft.XMLHTTP");
	}

    oReq.open("POST", url, false);
    oReq.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");
    oReq.send(para);	
	  
	return oReq.responseText;
}